Blue Birthday

Ha Rin visits her old neighborhood and retrieves Seo Jun's old photos; since the photos remind her of the pain, she burns one of them.

When Ha Rin realizes that she had traveled back in time, she looks for Seo Jun; the dreamlike reunion only lasts for a short time and she is back to the present.

Ha Rin makes up her mind to prevent Seo Jun's death; she goes back to the past to resolve the conflict Seo Jun had with his mother.

Ha Rin manages to save Hye Min from her death; with Hye Min alive, Seo Jun is gone again; Ha Rin tracks down the clues to Seo Jun's death, and notices some weird things; she burns another photo to find out the truth.